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Tonbo Imaging IPO garners strong opening as NII investors lead subscriptions

The Bengaluru-based defence electronics manufacturer saw its ₹852 crore initial public offering subscribed four times over on the first day of bidding. Secondary share transactions valued the company at ₹4,000 crore.

LSN India · 15 October 2026

Tonbo Imaging IPO garners strong opening as NII investors lead subscriptions

Tonbo Imaging's initial public offering received robust demand across investor categories on its opening day, with the offer oversubscribed four times as non-institutional investors led the charge. The defence electronics maker's ₹852 crore offering attracted significant interest from qualified institutional buyers, high-net-worth individuals, and retail investors, signalling strong market confidence in the company's business model and growth prospects.

Recent secondary share transactions involving Tonbo Imaging valued the company at ₹4,000 crore, providing investors with a benchmark for the firm's valuation ahead of its listing. The company, which specializes in defence and aerospace electronics, has positioned itself as a key player in India's push toward self-reliance in critical defence technologies.

The strong opening day performance underscores investor appetite for defence sector stocks, particularly those engaged in domestic manufacturing and indigenous technology development. Tonbo Imaging's IPO comes at a time when India is accelerating efforts to build a robust defence industrial base and reduce dependence on imported systems.

The offering is expected to conclude its subscription period over the coming days, with the allotment and listing details to follow according to the regulatory timeline.